/*!	 docks/dockmanager.h
**	 Template Header
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifndef __SYNFIG_DOCKMANAGER_H
#define __SYNFIG_DOCKMANAGER_H

#include <vector>
#include <list>
#include <map>
#include <synfig/string.h>
#include <sigc++/sigc++.h>
#include <ETL/smart_ptr>

#include <gtkmm/widget.h>

namespace studio
{

class Dockable;
class DockBook;
class DockDialog;
class DockSettings;

class DockManager : public sigc::trackable
{
    friend class Dockable;
    friend class DockBook;
    friend class DockDialog;
    friend class DockSettings;

    std::list<Dockable*> dockable_list_;
    std::list<DockDialog*> dock_dialog_list_;

    sigc::signal<void, Dockable*> signal_dockable_registered_;
    sigc::signal<void, Dockable*> signal_dockable_unregistered_;

    etl::smart_ptr<DockSettings> dock_settings;

private:
    static std::map<Gtk::Container*, bool> containers_to_remove_;

    void write_separator(std::string &x, bool continue_ = true);
    void write_string(std::string &x, const std::string &str);
    void write_int(std::string &x, int i);
    void write_bool(std::string &x, bool b);
    void write_widget(std::string &x, Gtk::Widget* widget);

    bool         read_separator(std::string &x);
    std::string  read_string(std::string &x);
    int          read_int(std::string &x);
    bool         read_bool(std::string &x);
    Gtk::Widget* read_widget(std::string &x);

public:
    DockManager();
    ~DockManager();

    DockDialog& find_dock_dialog(int id);
    const DockDialog& find_dock_dialog(int id)const;
    // Connect to that signal to get the info a dock has been registred
    /*! \see studio::DockManager::register_dockable */
    sigc::signal<void, Dockable*>& signal_dockable_registered()
    {
        return signal_dockable_registered_;
    }
    // Connect to that signal to get the info that a dock has been unregistred
    /*! \see studio::DockManager::unregister_dockable */
    sigc::signal<void, Dockable*>& signal_dockable_unregistered()
    {
        return signal_dockable_unregistered_;
    }

    void register_dockable(Dockable& x);
    bool unregister_dockable(Dockable& x);
    Dockable& find_dockable(const synfig::String& x);
    void present(synfig::String x);
    void show_all_dock_dialogs();

    std::string save_widget_to_string(Gtk::Widget *widget);
    Gtk::Widget* load_widget_from_string(const std::string &x);

    std::string save_layout_to_string();
    void load_layout_from_string(const std::string &x);

    void update_window_titles();

    static std::string layout_from_template(const std::string &tpl, float dx, float dy, float sx, float sy);

    static bool swap_widgets(Gtk::Widget &widget1, Gtk::Widget &widget2);
    static void remove_widget_recursive(Gtk::Widget &widget);
    static void remove_widget_by_pointer_recursive(Gtk::Widget *widget)
    {
        remove_widget_recursive(*widget);
    }
    static void remove_empty_container_recursive(Gtk::Container &container);
    static void remove_empty_container_by_pointer_recursive(Gtk::Container *container)
    {
        remove_empty_container_recursive(*container);
    }
    static bool add_widget(Gtk::Widget &dest_widget, Gtk::Widget &src_widget, bool vertical, bool first);
    static bool add_dockable(Gtk::Widget &dest_widget, Dockable &dockable, bool vertical, bool first);
}; // END of class DockManager

}; // END of namespace studio

#endif